Marker ski bagI just bought a bag by Marker that I haven't used yet but it looks like a heck of a good bag for $130. It has sturdy wheels, padding, really heavy material, external straps located about a foot and a half from each end (external is important) and a removable shoulder sling. It also has plenty of room lengthwise and accross. You could easily put two pair of skis and a whole bunch of dirty laundry in it and then snug it all down with those straps. External straps can be used to tie on your ski jacket while moving about airports, etc. (but not as checked luggage), an important feature for travelling between north and south hemispheres but not so important for travel between east and west hemishperes because you don't get on a plane in summer and get off in winter and vice versa. I chose the bag over the Sportube because of the convenience of packing laundry in with the skis, the ease of getting the skis in and out and the softness and flexibility makes it a whole lot easier to put into a car or taxicab that doesn't have a roof rack. The Sportube would be a lot harder to put into the interior of a car without breaking thngs in the car like radio knobs, etc. I rode all the way from Las Lenas to Mendoza sleeping with my head resting on a ski bag and I don't think that would have been very comfortable with a Sportube. For sure the Sportube offers far more safety for your skis but I always wrap both tips and tails with old sweat shirts or something and secure it with duct tape. I think that if you wrap everything up like that and secure the straps tight, it should take a quite a beating without damage. Of course, if you expect to be shot at by terrorists, you might want the added protection of the Sportube!